<#function ncImage imageName width height>
    <#return imageName + "@" + width + "w_" + height + "h" />
</#function>

<#function ncGoodsUrl commonId>
    <#return webRoot + "goods/" + commonId />
</#function>

<#function ncStoreUrl storeId>
    <#return webRoot + "store/" + storeId />
</#function>